1. A cutting guide, comprising:
a central support;
a plurality of legs supporting the central support;
a removable guide rail disposed on the central support, wherein the guide rail defines a first end and a second end; and
a carriage slidably disposable in the guide rail,
wherein the carriage is adapted to receive a cutting device thereon and the carriage is disposable within the guide rail to be movable between the first end and the second end.
2. The cutting guide of claim 1, wherein the guide rail comprises:
a body with a top surface, a first side edge, and a second side edge;
a first side extending upwardly from the top surface of the guide rail adjacent the first side edge; and
a second side extending upwardly from the top surface adjacent to the second side edge,
wherein the body, the first side and the second side define a U-shaped channel for receipt of the carriage.
3. The cutting guide of claim 2, wherein:
the first side extends upwardly from the top surface at the first side edge of the guide rail; and
the second side extends upwardly from the top surface at the second side edge at a predetermined distance toward a center of the guide rail from the second edge,
wherein the second side and the second side edge define a cutting guide thereby.
4. The cutting guide of claim 2, wherein the guide rail further comprises:
a first channel defined within the first side; and
a second channel defined within the second side.
5. The cutting guide of claim 4, further comprising:
an extension comprising an end segment connecting a first leg and a second leg to one another forming a U-shape,
wherein the first and second legs are positioned within the first and second channels, permitting the extension to slidably engage the guide rail.
6. The cutting guide of claim 1, further comprising:
a guide carriage slidably disposed on the central support,
wherein the guide rail is pivotally connected to the guide carriage to permit the guide rail to be angularly positioned with respect to the central support.
7. The cutting guide of claim 1, further comprising:
a first upright connected to the central support at a first end; and
a second upright connected to the central support at a second end,
wherein the first and second uprights are angled with respect to horizontal such that a construction material place thereon is angled with respect to the horizontal.
8. The cutting guide of claim 7, further comprising:
at least one horizontal frame element connected between the first upright and the second upright, thereby forming a frame connected to the central support.
9. The cutting guide of claim 2, further comprising:
a first lip extending from a top edge of the first side toward a center of the guide rail; and
a second lip extending from a top edge of the second side toward the center of the guide rail,
wherein the first and second lips retain the carriage within the guide rail.
10. The cutting guide of claim 1, wherein the central support, the legs, the guide rail, and the carriage are made from at least one a material selected from a group comprising aluminum, aluminum alloys, metal, plastic, fiberglass, composite materials, steel, iron, iron alloys, titanium, titanium alloys, magnesium, magnesium alloys, beryllium, beryllium alloys, carbon fiber, and aramid fiber.
11. The cutting guide of claim 6, further comprising:
a protractor disposed between the guide rail and the guide carriage to provide an indication of an angle of displacement of the guide rail with respect to a vertical position.
12. The cutting guide of claim 1, wherein the guide rail comprises:
a primary element; and
a secondary element hingedly connected to the primary element such that the secondary element folds over the primary element when in a closed position and unfolds adjacent to the primary element when in an opened position.
13. The cutting guide of claim 12, further comprising:
a latch disposed on the guide rail to secure the secondary element against the primary element when in the closed position.
14. The cutting guide of claim 1, further comprising:
a ramp disposed at one end of the guide rail,
wherein the ramp is adjustable to a predetermined angle with respect to the guide rail, and
wherein the ramp facilitates introduction of the cutting device to the guide rail.
15. The cutting guide of claim 1, further comprising:
a dust removal apparatus comprising
an upper coupling connected to the carriage, the upper coupling defining an upper opening at one end,
a lower coupling connected adjacent to the upper coupling, the lower coupling defining a lower opening at one end, consistent with the upper opening,
an upper discharge tube connected to the upper coupling,
a lower discharge tube connected to the lower coupling, and
a combiner connecting the upper discharge tube to the lower discharge tube, such that dust flowing through the upper and lower discharge tubes exits via the combiner.
16. The cutting guide of claim 1, further comprising:
at least one extension slidably connected to the guide rail, the at least one extension comprising at least one plate providing a surface area for securement of the guide rail to the substrate via a fastener.
17. The cutting guide of claim 1, wherein:
the plurality of legs comprise at least two front legs and two rear legs,
each front leg is connected pivotally to each rear leg,
the front and rear legs are connected operatively to two chucks, which cooperate with one another to secure the front and rear legs to the central support when the legs are in a closed position and which cooperate with one another to release the front and rear legs from the central support when in an opened position.
18. The cutting guide of claim 17, further comprising:
a push rod, operatively connected to the two chucks, for applying a compressive force on the two chucks when the front and rear legs are in the closed position.
19. The cutting guide of claim 1, further comprising:
at least one extender slidably disposed within one end of the central support,
wherein the extender may be slid out from the central support to extend a length of the central support.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An apparatus comprising:
a receiver configured to receive a request for providing aperiodic channel information with respect to a selected downlink component carrier of a plurality of component carriers;
a processor configured to:
determine the selected downlink component earner based on which component carrier of the plurality of component carriers carried the request for providing the aperiodic channel information; and
establish channel information with respect to the selected downlink component carrier; and
a sender configured to send the channel information with respect to the selected downlink component carrier.
2. The apparatus according to claim 1, wherein the processor is configured to also determine the selected downlink component carrier based on an indicator sent with the request for providing the aperiodic channel information.
3. The apparatus according to claim 2, wherein the request for providing the aperiodic channel information and the indicator are included in an uplink grant.
4. The apparatus according to claim 1, wherein the selected downlink component carrier is a predetermined downlink component carrier, and the processor is configured to establish channel information with respect to the predetermined downlink component carrier when the request for providing the aperiodic channel information is received.
5. The apparatus according to claim 4, wherein the predetermined downlink component carrier is a primary downlink component carrier.
6. The apparatus according to claim 4, wherein the predetermined downlink component carrier is configured by a network control element.
7. The apparatus according to claim 1, wherein the request for providing the aperiodic channel information is included in an uplink grant, wherein the uplink grant comprises a combined indication of a scheduled uplink component carrier and the selected downlink component carrier.
8. The apparatus according to claim 7, wherein the combined indication is included in a carrier indicator field.
9. The apparatus according to claim 1, wherein the request for providing the aperiodic channel information is included an uplink grant, and wherein, when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the request for providing the aperiodic channel information is included in at least one of unused signalling bits and states of the uplink grant, or when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the at least one of the unused signalling bits and the states of the uplink grant are reinterpreted with the request for providing the aperiodic channel information.
10. The apparatus according to claim 1, wherein the processor is configured to provide channel information for at least one of the other component carriers of the plurality of component carriers other than the selected downlink component carrier, and the sender is configured to send the channel information for the at least one of the other component carriers.
11. The apparatus according to claim 10, wherein the channel information for the at least one of the other component carriers is a wideband channel information.
12. The apparatus according to claim 11, wherein information regarding the at least one of the other component carriers is included in the request for providing the aperiodic channel information.
13. The apparatus according to claim 10, wherein the at least one of the other component carriers are configured by a network control element.
14. The apparatus according to claim 1, wherein the request for providing the aperiodic channel information is included in an uplink grant.
15. An apparatus comprising:
a processor configured to generate a request for providing aperiodic channel information with respect to a selected downlink component carrier of a plurality of component carriers; and
a sender configured to send the request for providing the aperiodic channel information on a component carrier for which the aperiodic channel information is provided.
16. The apparatus according to claim 15, further comprising a receiver configured to receive the aperiodic channel information sent in response to the request for providing the aperiodic channel information.
17. The apparatus according to claim 15, wherein the processor is configured to generate an indicator for determining the selected downlink component carrier, and the sender is configured to send the indicator with the request for providing the aperiodic channel information.
18. The apparatus according to claim 17, wherein the request for providing the aperiodic channel information and the indicator are included in an uplink grant.
19. The apparatus according to claim 15, wherein the selected downlink component carrier is a predetermined downlink component carrier.
20. The apparatus according to claim 19, wherein the predetermined downlink component carrier is a primary downlink component carrier.
21. The apparatus according to claim 19, wherein the predetermined downlink component carrier is configured using control signalling.
22. The apparatus according to claim 15, wherein the processor is configured to include the request for providing the aperiodic channel information in an uplink grant, wherein the uplink grant comprises a combined indication of a scheduled uplink component carrier and the selected downlink component carrier.
23. The apparatus according to claim 22, wherein the processor is configured to include the combined indication in a carrier indicator field.
24. The apparatus according to claim 15, wherein the processor is configured to include the request for providing the aperiodic channel information in an uplink grant, and to include, when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the request for providing the aperiodic channel information included in at least one of unused signalling bits and states of the uplink grant, or when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the at least one of the unused signalling bits and the states of the uplink grant are reinterpreted with the request for providing the aperiodic channel information.
25. The apparatus according to claim 15, wherein the processor is configured to generate a request for providing channel information for at least one of the other component carriers of the plurality of component carriers other than the selected component carrier.
26. The apparatus according to claim 25, wherein the channel information for the at least one of the other component carriers is a wideband channel information.
27. The apparatus according to claim 15, wherein the processor is configured to include the request for providing the aperiodic channel information in an uplink grant.
28. A method comprising:
receiving a request for providing aperiodic channel information with respect to a selected downlink component carrier of a plurality of component carriers;
determining the selected downlink component carrier based on which component carrier of the plurality of component carriers carried the request for providing the aperiodic channel information;
establishing channel information with respect to the selected downlink component carrier; and
sending the channel information with respect to the selected downlink component carrier.
29. The method according to claim 28, wherein the selected downlink component carrier is also determined based on an indicator sent with the request for providing the aperiodic channel information.
30. The method according to claim 29, wherein the request for providing the aperiodic channel information and the indicator are included in an uplink grant.
31. The method according to claim 28, wherein the selected downlink component carrier is a predetermined downlink component carrier, and the channel information is established with respect to the predetermined downlink component carrier when the request for providing the aperiodic channel information is received.
32. The method according to claim 31, wherein the predetermined downlink component carrier is a primary downlink component carrier.
33. The method according to claim 31, wherein the predetermined downlink component carrier is configured by a network control element.
34. The method according to claim 28, wherein the request for providing the aperiodic channel information is included in an uplink grant, wherein the uplink grant comprises a combined indication of a scheduled uplink component carrier and the selected downlink component carrier.
35. The method according to claim 34, wherein the combined indication is included in a carrier indicator field.
36. The method according to claim 28, wherein the request for providing the aperiodic channel information is included an uplink grant, and wherein, when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the request for providing the aperiodic channel information is included in at least one of unused signalling bits and states of the uplink grant, or when the aperiodic channel information is requested to be transmitted without simultaneous uplink data, the at least one of the unused signalling bits and the states of the uplink grant are reinterpreted with the request for providing the aperiodic channel information.
37. The method according to claim 28, further comprising:
providing channel information for at least one of the other component carriers of the plurality of component carriers other than the selected component carrier of the plurality of component carriers; and
sending the channel information for the at least one of the other component carriers.
38. The method according to claim 37, wherein the channel information for the at least one of the other component carriers is a wideband channel information.
39. The method according to claim 37, wherein the at least one of the other component carriers are configured by a network control element.
40. The method according to claim 37, wherein information regarding the at least one of the other component carriers is included in the request for providing the aperiodic channel information.
41. The method according to claim 28, wherein the request for providing the aperiodic channel information is included in an uplink grant.
42. A non-transitory computer program product comprising code means for performing a method according to claim 28 when run on a processing means or module.
43. The non-transitory computer program product according to claim 42, wherein the computer program product is embodied on a computer-readable medium.
44. A method comprising:
generating a request for providing aperiodic channel information with respect to a selected downlink component carrier of a plurality of component carriers; and
sending the request for providing the aperiodic channel information on a component carrier for which the aperiodic channel information is provided.
45. The method according to claim 44, further comprising receiving the aperiodic channel information sent in response to the request for providing the aperiodic channel information.
46. The method according to claim 44, further comprising generating an indicator for determining the selected downlink component carrier, wherein the indicator is sent with the request for providing the aperiodic channel information.
47. The method according to claim 46, wherein the request for providing the aperiodic channel information and the indicator are included in an uplink grant.
48. The method according to claim 44, wherein the selected downlink component carrier is a predetermined downlink component carrier.
49. The method according to claim 48, wherein the predetermined downlink component carrier is a primary downlink component carrier.
50. The method according to claim 48, wherein the predetermined downlink component carrier is configured using control signalling.
51. The method according to claim 44, further comprising including the request for providing the aperiodic channel information in an uplink grant, wherein the uplink grant comprises a combined indication of a scheduled uplink component carrier and the selected downlink component carrier.
52. The method according to claim 51, wherein the combined indication is included in a carrier indicator field.
53. The method according to claim 44, further comprising:
including the request for providing the aperiodic channel information in an uplink grant; and
including the request for providing the aperiodic channel information in at least one of unused signalling bits and states of the uplink grant or reinterpreting the at least one of the unused signalling bits and the states of the uplink grant with the request for providing the aperiodic channel information, when the aperiodic channel information is requested to be transmitted without simultaneous uplink data.
54. The method according to claim 44, further comprising generating a request for providing channel information for at least one of the other component carriers of the plurality of component carriers other than the selected component carrier.
55. The method according to claim 54, wherein the channel information for the at least one of the other component carriers is a wideband channel information.
56. The method according to claim 44, wherein the request for providing the aperiodic channel information is included in an uplink grant.